Using a solid-state reaction method, we managed to synthesize non-linear YBa2Cu3Ox whiskers, which are promising candidates for solid-state THz applications based on sequences of Josephson Junctions. Exploiting laboratory single-crystal diffraction techniques, we compared curved and straight specimens from the structural point of view. The laboratory XRD results led us to assume a structural picture for the curved crystals analogous to that of the straight ones: the cells are always aligned along the initial growth direction, and only their stacking laterally translates during the growth. In order to validate this growth mechanism we performed a space resolved XRD study along the whole whisker curvature using a 107×152 nm2 synchrotron X-ray nanoprobe. Finally the superconducting properties were also evaluated in comparison with the straight counterpart, revealing a strong functional analogy.

Non Linearly Shaped Superconducting Whiskers Investigation by Synchrotron Nanoprobe

MINO, LORENZO;CAGLIERO, Stefano;BORFECCHIA, ELISA;CALORE, LEANDRO;BERTOLOTTI, FEDERICA;AGOSTINO, Angelo;TRUCCATO, Marco;LAMBERTI, Carlo
2012

Abstract

Using a solid-state reaction method, we managed to synthesize non-linear YBa2Cu3Ox whiskers, which are promising candidates for solid-state THz applications based on sequences of Josephson Junctions. Exploiting laboratory single-crystal diffraction techniques, we compared curved and straight specimens from the structural point of view. The laboratory XRD results led us to assume a structural picture for the curved crystals analogous to that of the straight ones: the cells are always aligned along the initial growth direction, and only their stacking laterally translates during the growth. In order to validate this growth mechanism we performed a space resolved XRD study along the whole whisker curvature using a 107×152 nm2 synchrotron X-ray nanoprobe. Finally the superconducting properties were also evaluated in comparison with the straight counterpart, revealing a strong functional analogy.
XX Italian Synchrothron Radiation Society (SILS) National Meeting
Cosenza (Italy)
July 18-20 2012
XX Italian Synchrothron Radiation Society (SILS) National Meeting
Società Italiana Luce di Sincrotrone
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http://www.synchrotron-radiation.it/index.php/it/documenti/foto-it/foto-20th-annual-sils-conference-cosenza-july-2012
Lorenzo Mino; Stefano Cagliero; Elisa Borfecchia; Leandro Calore; Federica Bertolotti; Gema Martinez-Criado; Angelo Agostino; Marco Truccato; Petre Badica; Carlo Lamberti
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2318/117616
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